使用阿里代码规范。规范代码写法

648540858

2022-05-06 5d901b5e3f033e8b04e53420d68626cbd87431c8

 src/main/java/com/genersoft/iot/vmp/gb28181/SipLayer.java

@@ -1,223 +1,115 @@
package com.genersoft.iot.vmp.gb28181;

import java.util.Properties;

import javax.sip.DialogTerminatedEvent;
import javax.sip.IOExceptionEvent;
import javax.sip.ListeningPoint;
import javax.sip.RequestEvent;
import javax.sip.ResponseEvent;
import javax.sip.ServerTransaction;
import javax.sip.SipFactory;
import javax.sip.SipListener;
import javax.sip.SipProvider;
import javax.sip.SipStack;
import javax.sip.TimeoutEvent;
import javax.sip.TransactionAlreadyExistsException;
import javax.sip.TransactionTerminatedEvent;
import javax.sip.TransactionUnavailableException;
import javax.sip.address.AddressFactory;
import javax.sip.header.HeaderFactory;
import javax.sip.header.ViaHeader;
import javax.sip.message.MessageFactory;
import javax.sip.message.Request;
import javax.sip.message.Response;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;

import com.genersoft.iot.vmp.conf.SipConfig;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorFactory;
import com.genersoft.iot.vmp.gb28181.transmit.request.ISIPRequestProcessor;
import com.genersoft.iot.vmp.gb28181.transmit.response.ISIPResponseProcessor;

import gov.nist.javax.sip.SipStackImpl;

@Component
public class SipLayer implements SipListener{
	
   private final static Logger logger = LoggerFactory.getLogger(SipLayer.class);
	
   @Autowired
   private SipConfig config;
	
   private SipProvider tcpSipProvider;
	
   private SipProvider udpSipProvider;
	
   @Autowired
   private SIPProcessorFactory processorFactory;
	
   private SipStack sipStack;
	
   private AddressFactory addressFactory;
   private HeaderFactory headerFactory;
   private MessageFactory messageFactory;

   @Bean
   private boolean initSipServer() throws Exception {
      SipFactory sipFactory = SipFactory.getInstance();
      sipFactory.setPathName("gov.nist");
      headerFactory = sipFactory.createHeaderFactory();
      addressFactory = sipFactory.createAddressFactory();
      messageFactory = sipFactory.createMessageFactory();
		
      Properties properties = new Properties();
      properties.setProperty("javax.sip.STACK_NAME", "GB28181_SIP");
      properties.setProperty("javax.sip.IP_ADDRESS", config.getSipIp());
      /**
       * sip_server_log.log 和 sip_debug_log.log public static final int TRACE_NONE =
       * 0; public static final int TRACE_MESSAGES = 16; public static final int
       * TRACE_EXCEPTION = 17; public static final int TRACE_DEBUG = 32;
       */
      properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "16");
      properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "sip_server_log");
      properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "sip_debug_log");
      sipStack = (SipStackImpl) sipFactory.createSipStack(properties);
		
      try {
         startTcpListener();
         startUdpListener();
      } catch (Exception e) {
         logger.error("Sip Server 启动失败！ port {"+config.getSipPort()+"}");
         e.printStackTrace();
         throw e;
      }
      logger.info("Sip Server 启动成功 port {"+config.getSipPort()+"}");
      return true;
   }
	
   private void startTcpListener() throws Exception {
      ListeningPoint tcpListeningPoint = sipStack.createListeningPoint(config.getSipIp(), config.getSipPort(), "TCP");
      tcpSipProvider = sipStack.createSipProvider(tcpListeningPoint);
      tcpSipProvider.addSipListener(this);
    }
	
    private void startUdpListener() throws Exception {
      ListeningPoint udpListeningPoint = sipStack.createListeningPoint(config.getSipIp(), config.getSipPort(), "UDP");
      udpSipProvider = sipStack.createSipProvider(udpListeningPoint);
      udpSipProvider.addSipListener(this);
    }

   /**
    * SIP服务端接收消息的方法 Content 里面是GBK编码 This method is called by the SIP stack when a
    * new request arrives.
    */
   @Override
   public void processRequest(RequestEvent evt) {
      ISIPRequestProcessor processor = processorFactory.createRequestProcessor(evt);
      processor.process(evt, this, getServerTransaction(evt));
   }

   @Override
   public void processResponse(ResponseEvent evt) {
      Response response = evt.getResponse();
      int status = response.getStatusCode();
      if ((status >= 200) && (status < 300)) { // Success!
         ISIPResponseProcessor processor = processorFactory.createResponseProcessor(evt);
         processor.process(evt,this,config);
      } else {
         logger.warn("接收到失败的response响应！status："+status+",message:"+response.getContent().toString());
      }
      //trying不会回复
      if(status == Response.TRYING){

      }
   }

   /**   
    * <p>Title: processTimeout</p>   
    * <p>Description: </p>   
    * @param timeoutEvent    
    */  
   @Override
   public void processTimeout(TimeoutEvent timeoutEvent) {
      // TODO Auto-generated method stub
		
   }

   /**   
    * <p>Title: processIOException</p>   
    * <p>Description: </p>   
    * @param exceptionEvent    
    */  
   @Override
   public void processIOException(IOExceptionEvent exceptionEvent) {
      // TODO Auto-generated method stub
		
   }

   /**   
    * <p>Title: processTransactionTerminated</p>   
    * <p>Description: </p>   
    * @param transactionTerminatedEvent    
    */  
   @Override
   public void processTransactionTerminated(TransactionTerminatedEvent transactionTerminatedEvent) {
      // TODO Auto-generated method stub
		
   }

   /**   
    * <p>Title: processDialogTerminated</p>   
    * <p>Description: </p>   
    * @param dialogTerminatedEvent    
    */  
   @Override
   public void processDialogTerminated(DialogTerminatedEvent dialogTerminatedEvent) {
      // TODO Auto-generated method stub
		
   }
	
   private ServerTransaction getServerTransaction(RequestEvent evt) {
      Request request = evt.getRequest();
      ServerTransaction serverTransaction = evt.getServerTransaction();
      // 判断TCP还是UDP
      boolean isTcp = false;
      ViaHeader reqViaHeader = (ViaHeader) request.getHeader(ViaHeader.NAME);
      String transport = reqViaHeader.getTransport();
      if (transport.equals("TCP")) {
         isTcp = true;
      }

      if (serverTransaction == null) {
         try {
         if (isTcp) {
            serverTransaction = tcpSipProvider.getNewServerTransaction(request);
         } else {
            serverTransaction = udpSipProvider.getNewServerTransaction(request);
         }
         } catch (TransactionAlreadyExistsException e) {
            e.printStackTrace();
         } catch (TransactionUnavailableException e) {
            e.printStackTrace();
         }
      }
      return serverTransaction;
   }


   public AddressFactory getAddressFactory() {
      return addressFactory;
   }

   public HeaderFactory getHeaderFactory() {
      return headerFactory;
   }

   public MessageFactory getMessageFactory() {
      return messageFactory;
   }

   public SipProvider getTcpSipProvider() {
      return tcpSipProvider;
   }

   public SipProvider getUdpSipProvider() {
      return udpSipProvider;
   }
	
}
package com.genersoft.iot.vmp.gb28181;



import com.genersoft.iot.vmp.conf.SipConfig;

import com.genersoft.iot.vmp.gb28181.transmit.ISIPProcessorObserver;

import gov.nist.javax.sip.SipProviderImpl;

import gov.nist.javax.sip.SipStackImpl;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.context.annotation.DependsOn;

import org.springframework.stereotype.Component;



import javax.sip.*;

import java.util.Properties;

import java.util.TooManyListenersException;

import java.util.concurrent.LinkedBlockingQueue;

import java.util.concurrent.ThreadPoolExecutor;

import java.util.concurrent.TimeUnit;



@Configuration

public class SipLayer{



   private final static Logger logger = LoggerFactory.getLogger(SipLayer.class);



   @Autowired

   private SipConfig sipConfig;



   @Autowired

   private ISIPProcessorObserver sipProcessorObserver;



   private SipStackImpl sipStack;



   private SipFactory sipFactory;





   @Bean("sipFactory")

   SipFactory createSipFactory() {

      sipFactory = SipFactory.getInstance();

      sipFactory.setPathName("gov.nist");

      return sipFactory;

   }

	
   @Bean("sipStack")

   @DependsOn({"sipFactory"})

   SipStack createSipStack() throws PeerUnavailableException {

      Properties properties = new Properties();

      properties.setProperty("javax.sip.STACK_NAME", "GB28181_SIP");

      properties.setProperty("javax.sip.IP_ADDRESS", sipConfig.getMonitorIp());

      properties.setProperty("gov.nist.javax.sip.LOG_MESSAGE_CONTENT", "true");

      properties.setProperty("gov.nist.javax.sip.DELIVER_UNSOLICITED_NOTIFY", "true"); // 接收所有notify请求，即使没有订阅

      /**

       * sip_server_log.log 和 sip_debug_log.log public static final int TRACE_NONE =

       * 0; public static final int TRACE_MESSAGES = 16; public static final int

       * TRACE_EXCEPTION = 17; public static final int TRACE_DEBUG = 32;

       */

      properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "0");

      properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "sip_server_log");

      properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "sip_debug_log");

      sipStack = (SipStackImpl) sipFactory.createSipStack(properties);



      return sipStack;

   }



   @Bean(name = "tcpSipProvider")

   @DependsOn("sipStack")

   SipProviderImpl startTcpListener() {

      ListeningPoint tcpListeningPoint = null;

      SipProviderImpl tcpSipProvider  = null;

      try {

         tcpListeningPoint = sipStack.createListeningPoint(sipConfig.getMonitorIp(), sipConfig.getPort(), "TCP");

         tcpSipProvider = (SipProviderImpl)sipStack.createSipProvider(tcpListeningPoint);

         tcpSipProvider.setDialogErrorsAutomaticallyHandled();

         tcpSipProvider.addSipListener(sipProcessorObserver);

//         tcpSipProvider.setAutomaticDialogSupportEnabled(false);

         logger.info("Sip Server TCP 启动成功 port {" + sipConfig.getMonitorIp() + ":" + sipConfig.getPort() + "}");

      } catch (TransportNotSupportedException e) {

         e.printStackTrace();

      } catch (InvalidArgumentException e) {

         logger.error("无法使用 [ {}:{} ]作为SIP[ TCP ]服务，可排查: 1. sip.monitor-ip 是否为本机网卡IP; 2. sip.port 是否已被占用"

               , sipConfig.getMonitorIp(), sipConfig.getPort());

      } catch (TooManyListenersException e) {

         e.printStackTrace();

      } catch (ObjectInUseException e) {

         e.printStackTrace();

      }

      return tcpSipProvider;

   }

	
   @Bean(name = "udpSipProvider")

   @DependsOn("sipStack")

   SipProviderImpl startUdpListener() {

      ListeningPoint udpListeningPoint = null;

      SipProviderImpl udpSipProvider = null;

      try {

         udpListeningPoint = sipStack.createListeningPoint(sipConfig.getMonitorIp(), sipConfig.getPort(), "UDP");

         udpSipProvider = (SipProviderImpl)sipStack.createSipProvider(udpListeningPoint);

         udpSipProvider.addSipListener(sipProcessorObserver);

//         udpSipProvider.setAutomaticDialogSupportEnabled(false);

      } catch (TransportNotSupportedException e) {

         e.printStackTrace();

      } catch (InvalidArgumentException e) {

         logger.error("无法使用 [ {}:{} ]作为SIP[ UDP ]服务，可排查: 1. sip.monitor-ip 是否为本机网卡IP; 2. sip.port 是否已被占用"

               , sipConfig.getMonitorIp(), sipConfig.getPort());

      } catch (TooManyListenersException e) {

         e.printStackTrace();

      } catch (ObjectInUseException e) {

         e.printStackTrace();

      }

      logger.info("Sip Server UDP 启动成功 port [" + sipConfig.getMonitorIp() + ":" + sipConfig.getPort() + "]");

      return udpSipProvider;

   }



}